IP Library › Assignment 020578/0446
Patent Assignment
Reel/Frame 020578/0446

Assignment of Assignor's Interest

Recorded: 2008-02-28 Pages: 3
Assignor
QUESTAIR TECHNOLOGIES INC.
Executed: 2007-11-20
Assignee
KEEFER, BOWIE
4150 BODEGA BEACH DRIVE, GALIANO ISLAND, BRITISH COLUMBIA, VON IPO, CANADA
Covered Property (1)
High Efficiency Load-Following Solid Oxide Fuel Cell Systems
Patent: 7,553,568 →
Application: 10/993,902 →
Publication: US 2005/0106429
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 19, 2004
From: KEEFER, BOWIE G.
To: QUESTAIR TECHNOLOGIES INC.
Reel/Frame 016027/0671 →
Assignment of Assignor's Interest Mar 4, 2008
From: QUESTAIR TECHNOLOGIES INC.
To: KEEFER, BOWIE
Reel/Frame 020596/0746 →
Assignment of Assignor's Interest Mar 23, 2012
From: XEBEC ADSORPTION INC.
To: AIR PRODUCTS AND CHEMICALS INC.
Reel/Frame 027913/0646 →
Merger Apr 27, 2012
From: QUESTAIR TECHNOLOGIES INC.
To: XEBEC ADSORPTION INC.
Reel/Frame 028120/0971 →